Yes, if it's Socket 478. In fact that's how one website was able to get an 800 bus, months before 800 bus P4's were released.
You see, the Mobile P4 will run at it's lower divider in the desktop board, which will allow for 1st class bus overclocking!
<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>